Magnetic storms on Jul 28, 2011
Geomagnetic storms on Jul 28, 2011
No geomagnetic storms were observed on Jul 28, 2011Magnetic storms for the last 3 days
Max solar activity on Jul 28, 2011
Solar radio flux (10.7 cm) = 107
Mean planetary A index = 4
Mean planetary Kp index = 2 (18 nT)